FS_VNODE_CAPABILITY_WRITE_STAT
CLEAR_UNSUPPORTED(FS_VNODE_CAPABILITY_WRITE_STAT, write_stat);
if (!HasVNodeCapability(vnode, FS_VNODE_CAPABILITY_WRITE_STAT))
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_WRITE_STAT, fFSOps->wstat);
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_WRITE_STAT, fLowLevelOps.setattr != NULL);
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_WRITE_STAT,
capabilities.Set(FS_VNODE_CAPABILITY_WRITE_STAT, ops->write_stat);